Found in a 1964 Electronic Design, this circuit shows how to modulate a signal with a dynamic low impedance microphone. The circuit operates in the FM range (88 to 108 MHz).
This circuit was found in the November 1992 issue of Radio Electronics magazine. The circuit has...
This simulation shows how to use an operational amplifier as a voltage comparator. The sample uses the...
The purpose of the circuit of the figure is to control a servomotor remotely using a simple signal...